<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>证书管理系统</title>
</head>
<body>
    <p>计算机类证书</p>
    <a href="">软考</a>

   <table style="width:500px;height:400px;" border="1px black" cellspacing="0">
    <tr>
        <td colspan="2">aaa</td>
        <!-- <td>软考证书</td> -->
    </tr>
    <tr>
        <td>计算机等级考试</td>
        <td rowspan="3" >耳机</td>
    </tr>
    <tr>
        <td>1</td>
        <!-- <td>2</td> -->
    </tr>
    <tr>
        <td>3</td>
        <!-- <td>4</td> -->
    </tr>
</table>

<form action="test.html">
</form>




</body>
</html>